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经营范围
发明名称
Mattress depressor
摘要
申请公布号
US3221349(A)
申请公布日期
1965.12.07
申请号
US19630329074
申请日期
1963.12.09
申请人
BRADLEY GEORGE S
发明人
BRADLEY GEORGE S.
分类号
A61G7/057
主分类号
A61G7/057
代理机构
代理人
主权项
地址
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